commit 01105c25434a7ead121d7f37adbb3a5afcd4f8a1 Author: teor teor@torproject.org Date: Mon Feb 10 12:45:49 2020 +1000

Prop 311 & 312: Some changes affect IPv6 stats

When a change increases an IPv6 statistic, mention the impact in proposals 311 and 312.

Related to proposal 313, which covers IPv6 statistics.

Part of 33159. --- proposals/311-relay-ipv6-reachability.txt | 6 ++++++ proposals/312-relay-auto-ipv6-addr.txt | 5 +++++ 2 files changed, 11 insertions(+)

diff --git a/proposals/311-relay-ipv6-reachability.txt b/proposals/311-relay-ipv6-reachability.txt index 85f089a..978dc9b 100644 --- a/proposals/311-relay-ipv6-reachability.txt +++ b/proposals/311-relay-ipv6-reachability.txt @@ -294,6 +294,12 @@ Ticket: #24404 The testing relay will confirm that test circuits can extend to both its IPv4 and IPv6 ORPorts.

+ Checking IPv6 ORPort reachability will create extra IPv6 connections on the + tor network. (See [Proposal 313: Relay IPv6 Statistics].) It won't directly + create much extra traffic, because reachability circuits don't send many + cells. But some client circuits may use the IPv6 connections created by + relay reachability self-tests. + 4.2.1. Selecting the Final Extending Relay

IPv6 ORPort reachability checks require an IPv6 extend-capable relay as diff --git a/proposals/312-relay-auto-ipv6-addr.txt b/proposals/312-relay-auto-ipv6-addr.txt index 08fbcde..8914cb7 100644 --- a/proposals/312-relay-auto-ipv6-addr.txt +++ b/proposals/312-relay-auto-ipv6-addr.txt @@ -487,6 +487,11 @@ Ticket: #33073 IPv6 address, tor should use that address for reachability checks. If the reachability checks succeed, tor should use that address in its descriptor.

+ Doing relay directory fetches over IPv6 will create extra IPv6 connections + and IPv6 bandwidth on the tor network. (See + [Proposal 313: Relay IPv6 Statistics].) In addition, some client circuits + may use the IPv6 connections created by relay directory fetches. + 3.2.6. Disabling IPv6 Address Resolution

Relays (and bridges) that have a reachable IPv6 address, but that address